An Ir–Pt Catalyst for the Multistep Preparation of Functionalized Indoles from the Reaction of Amino Alcohols and Alkynyl Alcohols
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Scholar |
Otros documentos de la autoría: Zanardi, Alessandro; Mata Martínez, Jose A; Peris, Eduardo
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http://dx.doi.org/10.1002/chem.201001180 |
Metadatos
Título
An Ir–Pt Catalyst for the Multistep Preparation of Functionalized Indoles from the Reaction of Amino Alcohols and Alkynyl AlcoholsFecha de publicación
2010Editor
Wiley-VCHISSN
0947-6539Cita bibliográfica
Chemistry - A European Journal (2010), 16, 44, p. 13109–13115Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://onlinelibrary.wiley.com/doi/10.1002/chem.201001180/abstractPalabras clave / Materias
Resumen
The 1,2,4-trimethyltriazolylidene (ditz) ligand allows the preparation of homo- and heterodimetallic complexes of Pt2 and Ir–Pt. These two complexes have been characterized by means of spectroscopic and diffractommetric ... [+]
The 1,2,4-trimethyltriazolylidene (ditz) ligand allows the preparation of homo- and heterodimetallic complexes of Pt2 and Ir–Pt. These two complexes have been characterized by means of spectroscopic and diffractommetric techniques. The catalytic activity of these complexes, together with that of other Pt-based compounds, has been explored in the cyclization–addition of alkynyl alcohols and indoles. The Ir–Pt complex [{PtI2(py)}(μ-ditz){IrI2(Cp*)}] (py=pyridine; Cp*=pentamethylcyclopentadienyl) allows the combination of an iridium-mediated oxidative cyclization of 2-(ortho-aminophenyl)ethanol to form indoles, with a further step employing a Pt-based multistep reaction that functionalizes indoles. Our results show that the Ir–Pt complex is a very active catalyst in this new multistep preparation of functionalized indoles from the reaction of an amino alcohol with alkynyl alcohols [-]
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